 .about{
     background-color: #4d4d4d;
 }
 .about .p1,
 .about .p2,
 .about .about2 .us-item {
     color: #f3f3f3;
 }
 .h{
    width: 1200px;
    margin: 0 auto;
}
.w {
    width: 1200px;
    margin: 0 auto;
}
.banner {
    width: 100%;
    height: 225px;
    background: url('../designers-img/矩形\ 5.jpg') no-repeat center;
}

/* desi start */
.desi .title {
    padding-top: 100px;
   text-align: center;
   margin-bottom: 60px;
}
.desi .title .top {
   font-size: 26px;
   color: #444;
}
.desi .title .con {
   font-size: 16px;
   color: #c1c1c1;
}
.desi .desi-list .item {
    float: left;
    width: 26%;
    margin-right: 11%;
}
.desi .desi-list .item:last-child {
    margin-right: 0;
}
.desi .desi-list .item img{
    display: block;
    width: 100%;
}
.desi .desi-list .item .desi-info p {
    color: #a4a4a4;
    font-size: 14px;
    text-align: center;
}
.desi .desi-list .item .desi-info p:nth-child(1) {
    color: #2e2e2e;
    font-size: 18px;
    margin: 50px 0 20px;
}
.desi .desi-list .item .desi-info p:nth-child(3) {
    text-align-last: left;
}
.desi .desi-list .item .desi-info p:nth-child(2) {
    margin-bottom: 40px;
}
.desi .desi-list .item .desi-info a {
    position: relative;
    display: block;
    width: 100%;
    border-bottom: 1px solid #a4a4a4;
    height: 100px;
    color: #a4a4a4;
    margin: 20px 0 80px;
}
.desi .desi-list .item .desi-info a div {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    border: 1px solid #a4a4a4;
    padding: 10px 40px;
    font-size: 14px;
}
.desi .desi-list .item .desi-info a:hover {
    color: #b9ab77;
    border-bottom: 1px solid #b9ab77;
}
.desi .desi-list .item .desi-info a:hover div{
    border: 1px solid #b9ab77;
}
/* desi end */